| Part Number | ZTX1049ASTZ | ZTX1047ASTZ | 
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | 
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single | 
|   |   | |
| Product Status | Active | Obsolete | 
| Transistor Type | NPN | NPN | 
| Current - Collector (Ic) (Max) | 4 A | 4 A | 
| Voltage - Collector Emitter Breakdown (Max) | 25 V | 10 V | 
| Vce Saturation (Max) @ Ib, Ic | 220mV @ 50mA, 4A | 190mV @ 20mA, 4A | 
| Current - Collector Cutoff (Max) | 10nA | 10nA | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 300 @ 1A, 2V | 300 @ 1A, 2V | 
| Power - Max | 1 W | 1 W | 
| Frequency - Transition | 180MHz | 150MHz | 
| Operating Temperature | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | E-Line-3, Formed Leads | E-Line-3, Formed Leads | 
| Supplier Device Package | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) |